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Artist's impression of Gliese 436b

Artist's impression of Gliese 436b

Date: 24 June 2015
Satellite: Hubble Space Telescope
Depicts: Exoplanet Gliese 436b and its parent star Gliese 436
Copyright: NASA, ESA, STScI, and G. Bacon

This artist's concept shows the enormous comet-like cloud of hydrogen bleeding off of the warm, Neptune-sized planet Gliese 436b just 30 light-years from Earth. Also depicted is the parent star, which is a faint red dwarf named Gliese 436. The hydrogen is evaporating from the planet due to extreme radiation from the star. A phenomenon this large has never before been seen around any exoplanet.

Last Update: 1 September 2019
24-Jul-2024 19:33 UT

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